Influence of Mass and Heat Transfer on Morphologies of Metal Oxide Nanochannel Arrays Prepared by Anodization Method

Table 1

Physico-chemical properties of related metals.

Metal	Resistivity (𝜌) [36] (273 K, μΩ·cm)	Coefficient of heat conductivity (λ) [36] (0°C, W/cm·°C)	Oxidation reaction heat (Δ𝐻) [37]; (kJ/mol metal)	Volume expansion ratio (γ)* (metal → oxide); (calculated value)
Al	2.61	2.30	−838	28.8%
Ti	39.0	0.20	−944	94.1%
Zr	38.6	0.22	−1101	49.3%

* 𝛾=(𝑉_oxide−𝑉_metal)/𝑉_metal×100%.